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77 lines
2.7 KiB
C
77 lines
2.7 KiB
C
/**
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* Copyright 2013-2021 Software Radio Systems Limited
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*
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* This file is part of srsLTE.
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*
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* srsLTE is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version.
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*
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* srsLTE is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* A copy of the GNU Affero General Public License can be found in
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* the LICENSE file in the top-level directory of this distribution
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* and at http://www.gnu.org/licenses/.
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*
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*/
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#ifndef SRSLTE_POLAR_INTERLEAVER_H
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#define SRSLTE_POLAR_INTERLEAVER_H
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#include "srslte/config.h"
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#include <stdbool.h>
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#include <stdint.h>
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#define SRSLTE_POLAR_INTERLEAVER_K_MAX_IL 164
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/**
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* * @brief Implements generic Polar code interleaver as described in TS 38.212 V15.9.0 Section 5.3.1.1
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*
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* @attention The input and output data cannot be the same.
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*
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* @param in Input data pointer
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* @param out Output data pointer
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* @param S Data element size in bytes
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* @param K Number of elements
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* @param dir Set to true for encoder and false for decoder
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*/
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SRSLTE_API void srslte_polar_interleaver_run(const void* in, void* out, uint32_t S, uint32_t K, bool dir);
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#define SRSLTE_POLAR_INTERLEAVE_GEN(NAME, TYPE) \
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static inline void srslte_polar_interleaver_run_##NAME(const TYPE* in, void* out, uint32_t K, bool dir) \
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{ \
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srslte_polar_interleaver_run(in, out, (uint32_t)sizeof(TYPE), K, dir); \
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}
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/**
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* @brief Implements Polar code interleaver as described in TS 38.212 V15.9.0 Section 5.3.1.1
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*
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* @attention The input and output data cannot be the same.
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*
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* @param in unsigned 16 bit Input data
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* @param out unsigned 16 bit Output data
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* @param K Number of elements
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* @param dir Set to true for encoder and false for decoder
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*/
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SRSLTE_POLAR_INTERLEAVE_GEN(u16, uint16_t)
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/**
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* @brief Implements Polar code interleaver as described in TS 38.212 V15.9.0 Section 5.3.1.1
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*
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* @attention The input and output data cannot be the same.
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*
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* @param in unsigned 8 bit Input data
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* @param out unsigned 8 bit Output data
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* @param K Number of elements
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* @param dir Set to true for encoder and false for decoder
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*/
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SRSLTE_POLAR_INTERLEAVE_GEN(u8, uint8_t)
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#undef SRSLTE_POLAR_INTERLEAVE_GEN
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#endif // SRSLTE_POLAR_INTERLEAVER_H
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